Arid
DOI10.1111/aec.12474
Leaf trait associations with environmental variation in the wide-ranging shrub Dodonaea viscosa subsp angustissima (Sapindaceae)
Baruch, Zdravko; Christmas, Matthew J.; Breed, Martin F.; Guerin, Greg R.; Caddy-Retalic, Stefan; McDonald, John; Jardine, Duncan I.; Leitch, Emrys; Gellie, Nick; Hill, Kathryn; McCallum, Kimberly; Lowe, Andrew J.
通讯作者Baruch, Zdravko
来源期刊AUSTRAL ECOLOGY
ISSN1442-9985
EISSN1442-9993
出版年2017
卷号42期号:5页码:553-561
英文摘要

Intra-species variation in specific leaf area (SLA) and leaf area (LA) provides mechanistic insight into the persistence and function of plants, including their likely success under climate change and their suitability for revegetation. We measured SLA and LA in 101 Australian populations of the perennial shrub Dodonaea viscosa (L.) Jacq. subsp. angustissima (narrow-leaf hop-bush) (Sapindaceae). Populations were located across about a 1000km north-south gradient, with climate grading from arid desert to mesic Mediterranean. We also measured leaves from 11 populations across an elevational gradient (300-800m asl), where aridity and temperature decrease with elevation. We used regression and principal component analyses to relate leaf traits to the abiotic environment. SLA displayed clinal variation, increasing from north to south and correlated with latitude and the first principal component of joint environmental variables. Both SLA and LA correlated positively with most climatic and edaphic variables. Across latitude, LA showed more variability than SLA. Changes in leaf density and thickness may have caused the relative stability of SLA. Only LA decreased with elevation. The absence of a SLA response to elevation could be a consequence of abiotic conditions that favour low SLA at both ends of the elevational gradient. We demonstrated that the widely distributed narrow-leaf hop-bush shows considerable variability in LA and SLA, which allows it to persist in a broad environmental envelope. As this shrub is widely used for revegetation in Australia, South America and the Asia-Pacific region, our results are consistent with the notion that seed used to revegetate mesic environments could be sourced from more arid areas to increase seed suitability to future climate change.


英文关键词Dodonaea viscosa subsp angustissima elevational gradient intra-specific trait variation latitudinal gradient leaf area specific leaf area
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000406077100005
WOS关键词INTRASPECIFIC VARIATION ; AREA LMA ; RESTORATION ; MASS ; COMMUNITIES ; ADAPTATION ; GRADIENT ; DENSITY ; CLIMATE ; SHIFTS
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/197721
作者单位Univ Adelaide, Sch Biol Sci, North Terrace, Adelaide, SA 5005, Australia
推荐引用方式
GB/T 7714
Baruch, Zdravko,Christmas, Matthew J.,Breed, Martin F.,et al. Leaf trait associations with environmental variation in the wide-ranging shrub Dodonaea viscosa subsp angustissima (Sapindaceae)[J],2017,42(5):553-561.
APA Baruch, Zdravko.,Christmas, Matthew J..,Breed, Martin F..,Guerin, Greg R..,Caddy-Retalic, Stefan.,...&Lowe, Andrew J..(2017).Leaf trait associations with environmental variation in the wide-ranging shrub Dodonaea viscosa subsp angustissima (Sapindaceae).AUSTRAL ECOLOGY,42(5),553-561.
MLA Baruch, Zdravko,et al."Leaf trait associations with environmental variation in the wide-ranging shrub Dodonaea viscosa subsp angustissima (Sapindaceae)".AUSTRAL ECOLOGY 42.5(2017):553-561.
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